Please watch all nine minutes of this video.
This is why white working class people need to care about racism. This is why white working class people have more in common with African Americans than with the few privileged white people like Bill Gates, Warren Buffet and John McCain.
And it's also why people who care about racism CANNOT ignore issues of social class.
With that, watch the whole hour-long lecture here, because every minute is worth your time if YOU care about race and class.